If you create a creature token, you can target it with Rosie Cotton of South Lane's last ability
Yes, there are a handful of white cards that draw you cards when your creatures die, though they all have conditions like being equipped, having a +1/+1 counter, or costing
1 Test card Marketing[] Mystery Booster 2 was first teased at Gen Con on August 2, 2024, where a special prerelease sealed event was held to show off the new cards
Blink Agent of Treachery into and out of play using an Essence Flux and you will be able to steal a second card as a reward
However, if you want to do a deeper dive into this mechanic, we'll teach you all about Defenders, from the history of the mechanic to the best Defender cards and strategies